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TEA [102]
4 years ago
13

Two angles are supplementary. one angle is 5 degrees more than 6 times the other. find the measure of each angle

Mathematics
1 answer:
podryga [215]4 years ago
7 0
Let x and y be the two angles;
We have the equation: x + y = 180 and x = 5 + 6y;
Then, 5 + 7y = 180;
Finally, 7y = 175;
y = 25 degrees;
x = 180 - 25;
x = 155 degrees;
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Read 2 more answers
Three less than the product of two and a number y
expeople1 [14]

Answer:

2y-3

Step-by-step explanation:

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3 years ago
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5 0
3 years ago
Find the average rate of change of f(x) = 4x² – 3 from 3 to 9.
Lina20 [59]

Answer:

44

Step-by-step explanation:

Given:

f(x) = 4x^2 - 3

Required:

Average range of change from 3 to 9

SOLUTION:

Step 1:

Find f(3) and f(9):

To find f(3), replace x with 3 in the given function

f(3) = 4(3)^2 - 3

f(3) = 4(9) - 3

f(3) = 36 - 3

f(3) = 33

To find f(9), replace x with 9 in the given function

f(9) = 4(9)^2 - 3

f(9) = 4(81) - 3

f(9) = 324 - 3

f(9) = 321

Average rate of change = \frac{f(b) - f(a)}{b - a}

Where,

a = 3, f(a) = 33

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Plug in the values into the formula for average rate of change.

= \frac{321 - 33}{9 - 3}

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= 44

Average rate of change = 44

3 0
3 years ago
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